About: http://webisa.webdatacommons.org/409303046

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The layer may be a material such as silicone or an oxidized layer of the sheet 20.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com